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Background <p>Although some studies examined the association of individual risk factors for cardiovascular-kidney-metabolic (CKM) syndrome (diabetes, chronic kidney disease, and stroke) with the risk of incident dementia, little is known about the impact of overall CKM health on dementia risk. This study investigated (1) the association between CKM syndrome and risk of incident dementia in 400,740 UK Biobank participants and (2) whether systemic inflammation mediated this association.</p> Methods <p>The association between CKM syndrome and the risk of dementia was assessed using Cox proportional hazards models. The mediating role of systemic inflammation markers was evaluated in 389,287 individuals.</p> Results <p>Compared with stage 0 CKM syndrome, stages 3 and 4 were significantly associated with an increased risk of dementia (hazard ratio [HR], 1.35; 95% confidence interval [CI], 1.14–1.59; HR, 1.80; 95% CI 1.57–2.07). A significant linear trend was observed between CKM syndrome stages and dementia risk. Stage 2 CKM syndrome with more than two risk factors for CKM significantly increased dementia risk (HR, 1.25; 95% CI 1.07–1.46). Advanced CKM syndrome was associated with an increased risk of dementia (HR, 1.62; 95% CI 1.53–1.71). Four systemic inflammation markers significantly mediated the association between CKM syndrome and the risk of dementia.</p> Conclusions <p>Higher stages of CKM syndrome are associated with an increased risk of dementia, and systemic inflammation mediates this association. These results highlight the importance of early and comprehensive management of poor CKM health to reduce the risk of dementia.</p>

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Cardiovascular-kidney-metabolic syndrome, systemic inflammation, and incident dementia: evidence from 400,740 UK Biobank participants

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月3日

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  • Pingan Li,
  • Haiping Zhang,
  • Jianhua Ma,
  • Jinqi Wang,
  • Shiyun Lv,
  • Xiaoyu Zhao,
  • Xinghua Yang,
  • Yanxia Luo,
  • Xiuhua Guo,
  • Lixin Tao,
  • Bo Gao

摘要

Background

Although some studies examined the association of individual risk factors for cardiovascular-kidney-metabolic (CKM) syndrome (diabetes, chronic kidney disease, and stroke) with the risk of incident dementia, little is known about the impact of overall CKM health on dementia risk. This study investigated (1) the association between CKM syndrome and risk of incident dementia in 400,740 UK Biobank participants and (2) whether systemic inflammation mediated this association.

Methods

The association between CKM syndrome and the risk of dementia was assessed using Cox proportional hazards models. The mediating role of systemic inflammation markers was evaluated in 389,287 individuals.

Results

Compared with stage 0 CKM syndrome, stages 3 and 4 were significantly associated with an increased risk of dementia (hazard ratio [HR], 1.35; 95% confidence interval [CI], 1.14–1.59; HR, 1.80; 95% CI 1.57–2.07). A significant linear trend was observed between CKM syndrome stages and dementia risk. Stage 2 CKM syndrome with more than two risk factors for CKM significantly increased dementia risk (HR, 1.25; 95% CI 1.07–1.46). Advanced CKM syndrome was associated with an increased risk of dementia (HR, 1.62; 95% CI 1.53–1.71). Four systemic inflammation markers significantly mediated the association between CKM syndrome and the risk of dementia.

Conclusions

Higher stages of CKM syndrome are associated with an increased risk of dementia, and systemic inflammation mediates this association. These results highlight the importance of early and comprehensive management of poor CKM health to reduce the risk of dementia.